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WO2009106033A1 - Acier haute résistance et faiblement allié pour tubes sans soudure particulièrement apte à la soudure et résistant à la corrosion - Google Patents

Acier haute résistance et faiblement allié pour tubes sans soudure particulièrement apte à la soudure et résistant à la corrosion Download PDF

Info

Publication number
WO2009106033A1
WO2009106033A1 PCT/DE2009/000158 DE2009000158W WO2009106033A1 WO 2009106033 A1 WO2009106033 A1 WO 2009106033A1 DE 2009000158 W DE2009000158 W DE 2009000158W WO 2009106033 A1 WO2009106033 A1 WO 2009106033A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel
max
strength
mpa
low
Prior art date
Application number
PCT/DE2009/000158
Other languages
German (de)
English (en)
Inventor
André Schneider
Tanja Schmidt
Christina Wintermann
Original Assignee
V & M Deutschland Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by V & M Deutschland Gmbh filed Critical V & M Deutschland Gmbh
Priority to EP09716073.3A priority Critical patent/EP2245201B1/fr
Priority to MX2010009446A priority patent/MX2010009446A/es
Priority to US12/920,218 priority patent/US20110259478A1/en
Priority to JP2010547943A priority patent/JP5715826B2/ja
Priority to BRPI0908484A priority patent/BRPI0908484A8/pt
Publication of WO2009106033A1 publication Critical patent/WO2009106033A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper

Definitions

  • the invention relates to a high-strength low-alloy steel for seamless steel pipes with excellent weldability and resistance to stress corrosion cracking according to claim 1.
  • Seamless tubes made of high-strength steels are z. B. used for pipes for the transport of oil or gas, which are laid both onshore and offshore.
  • Alloys commonly used for seamless conduits are defined for steels up to 80 ksi (X80) in standards such as API 5L, DNV-OS-F101 and EN 10208. For high strength grades above 80 ksi, these standards do not specify the limits for the alloying elements. When developing higher-strength grades, it must be borne in mind that the steel tubes produced from them are weldable and must possess good strength and toughness properties. While to date standard for steel pipes good to X80 (R min p02 551 MPa, R m min 620 MPa according to API 5L were used, there is now an increasing need for
  • the strength-increasing mechanism which at the same time leads to an increase in toughness, is known to be the reduction of the grain size. This can be achieved, inter alia, by alloying nickel and molybdenum and the associated reduction in the transformation temperature
  • molybdenum improves tempering resistance at higher tempering temperatures and throughput.
  • nickel significantly deteriorates the surface quality of the hot-rolled tubes above a certain alloy content
  • titanium, niobium and vanadium are used. Titanium precipitates as high-coarse titanium nitride at high temperatures. Niobium forms at lower temperatures Niobkarbonit ⁇ d precipitates With further decreasing temperature, vanadium additionally accumulates in carbonitrides , ie it is to be expected with the excretion of VC-Te ⁇ lchen
  • a high strength, low alloy steel for hot rolled seamless steel tubing that meets the requirements of an X100 API 5L for welded tubes is from WO 2007/017161 A1 known
  • This known steel alloy has an alloy concept with C 0 03 - 0.13%, Mn 0.90 - 1, 80%, Si ⁇ 0.40%, P ⁇ 0.020%, S ⁇ 0.005%, Ni 0 , 10 - 1, 00%, Cr 0,20 - 1, 20%, Mo 0,15 - 0,80%, Ca ⁇ 0,040%, V ⁇ 0,10%, Nb ⁇ 0,040%, Ti ⁇ 0,020%, N ⁇ 0.011% and a mixture consisting of bainite and martensite
  • the N ⁇ contents are up to 1% in the known steel very high, which can in the formation of adhesive scale on the surface during hot rolling of the tubes, eg hot pilots, Rohrkontivon, etc, impact, and the surface quality of the pipes strong and would require extensive surface finishing
  • the object of the invention is to provide a low-cost low-alloy steel for the production of high-strength weldable seamless steel tubes, which satisfies the stated requirements for yield strength, tensile strength and impact energy and also ensures good general weldability and sufficient corrosion resistance in sour gas use and after hot rolling has a perfect surface
  • This object is achieved with the features of claim 1.
  • Remaining iron with impurities caused by melting with optional addition of Ti and the proviso that the sum of the contents of Ti + Nb + V is ⁇ 0.04 to ⁇ 0.15% and the ratio Cu / Ni is a value of ⁇ 1 having.
  • the steel alloy according to the invention is based on the development of the pipe steels according to API 5L, ISO 3183, DNV-OS-F101 and EN 10208.
  • copper In addition to nickel, copper also has a positive effect on acid gas resistance. Copper alloyed alone adversely affects hot workability and damages the material Grain boundaries. By alloying Ni with an additionally adjusted with respect to sour gas resistance Cu / Ni ratio (Cu / Ni ⁇ 1), this is compensated.
  • the Ni content is max. 0.60% low enough to produce a sufficiently good surface quality for the tube manufacturing processes mainly used for this steel grade.
  • the seamless steel tubes produced from an operating melt with the steel alloy of the invention listed below have excellent strength and toughness properties.
  • the values are the mean values of three tensile specimens each, or three notched-bar impact specimens.
  • the samples were taken as longitudinal samples from heat-treated tubes made in-house.
  • OD outer diameter
  • WD wall thickness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

1. L’invention se rapporte à un acier haute résistance ainsi qu’à un tube en acier haute résistance et apte à la soudure. 2.1. L’invention se rapporte à un acier haute résistance ainsi qu’à un tube en acier haute résistance et apte à la soudure. 2.2. L’acier haute résistance et faiblement allié pour tubes sans soudure est particulièrement apte à la soudure et résistant à la corrosion fissurante sous contrainte et a une limite élastique d'au moins 620 MPa et une résistance à la rupture en traction d'au moins 690 MPa. Ledit acier est caractérisé par la composition donnée à la revendication 1.
PCT/DE2009/000158 2008-02-28 2009-02-02 Acier haute résistance et faiblement allié pour tubes sans soudure particulièrement apte à la soudure et résistant à la corrosion WO2009106033A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09716073.3A EP2245201B1 (fr) 2008-02-28 2009-02-02 Acier haute résistance et faiblement allié pour tubes sans soudure particulièrement apte à la soudure et résistant à la corrosion
MX2010009446A MX2010009446A (es) 2008-02-28 2009-02-02 Acero de baja aleacion de resistencia elevada para tubos sin soldadura teniendo soldabilidad sobresaliente y resistencia a la corrosion.
US12/920,218 US20110259478A1 (en) 2008-02-28 2009-02-02 High-strength, low-alloy steel for seamless pipes with outstanding weldability and corrosion resistance
JP2010547943A JP5715826B2 (ja) 2008-02-28 2009-02-02 卓越した溶接性および耐食性を有するシームレス管用の高強度低合金鋼
BRPI0908484A BRPI0908484A8 (pt) 2008-02-28 2009-02-02 Aço de baixa liga e alta resistência para tubos sem costura com destacada soldabilidade e resistência à corrosão

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008011856.7 2008-02-28
DE102008011856A DE102008011856A1 (de) 2008-02-28 2008-02-28 Hochfester niedriglegierter Stahl für nahtlose Rohre mit hervorragender Schweißbarkeit und Korrosionsbeständigkeit

Publications (1)

Publication Number Publication Date
WO2009106033A1 true WO2009106033A1 (fr) 2009-09-03

Family

ID=40637863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2009/000158 WO2009106033A1 (fr) 2008-02-28 2009-02-02 Acier haute résistance et faiblement allié pour tubes sans soudure particulièrement apte à la soudure et résistant à la corrosion

Country Status (8)

Country Link
US (1) US20110259478A1 (fr)
EP (1) EP2245201B1 (fr)
JP (1) JP5715826B2 (fr)
AR (1) AR070624A1 (fr)
BR (1) BRPI0908484A8 (fr)
DE (1) DE102008011856A1 (fr)
MX (1) MX2010009446A (fr)
WO (1) WO2009106033A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102154593A (zh) * 2011-05-26 2011-08-17 天津钢管集团股份有限公司 X80钢级抗腐蚀低温无缝管线管
CN102900897A (zh) * 2011-07-28 2013-01-30 锐迈管业有限公司 一种混凝土泵车弯管及其加工工艺
CN105543690A (zh) * 2016-01-19 2016-05-04 天津钢管集团股份有限公司 具有抗大应变的415spdf以上钢级海底无缝管线管
CN105543705A (zh) * 2016-01-19 2016-05-04 天津钢管集团股份有限公司 海洋环境R-Lay铺设用抗大应变抗腐蚀无缝管线管的制造方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0807605A2 (pt) 2007-02-27 2014-05-13 Exxonmobil Upstream Res Compony Métodos para construir uma tubulação para transportar hidrocarbonetos e para formar uma junta de solda entre seções tubulares, seção de tubo, e, tubulação para transportar hidrocarbonetos
CN104404368A (zh) * 2014-10-22 2015-03-11 苏州莱特复合材料有限公司 耐腐蚀性不锈钢合金及其制备方法
BR102016001063B1 (pt) * 2016-01-18 2021-06-08 Amsted Maxion Fundição E Equipamentos Ferroviários S/A liga de aço para componentes ferroviários, e processo de obtenção de uma liga de aço para componentes ferroviários
ES2846779T3 (es) 2016-07-13 2021-07-29 Vallourec Deutschland Gmbh Acero microaleado y método para producir dicho acero

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01139740A (ja) * 1987-11-27 1989-06-01 Kawasaki Steel Corp 耐食二重管
JPH06172855A (ja) * 1992-12-10 1994-06-21 Nippon Steel Corp 低降伏比高靭性シームレス鋼管の製造法
WO2004031420A1 (fr) * 2002-10-01 2004-04-15 Sumitomo Metal Industries, Ltd. Tuyau en acier inoxydable a haute resistance, s'agissant notamment de resistance aux craquelures provoquees par l'hydrogene et procede de fabrication
EP1681364A1 (fr) * 2003-10-20 2006-07-19 JFE Steel Corporation Conduite en acier continue a potentiel d'expansion pour puits de petrole et procede d'elaboration

Family Cites Families (8)

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JPS56166324A (en) * 1980-05-23 1981-12-21 Kawasaki Steel Corp Production of high-strength seamless steel pipe of good weldability for middle temperature region
JPS5837120A (ja) * 1981-08-28 1983-03-04 Kawasaki Steel Corp 脆性破壊の伝播停止特性にすぐれたパイプライン用厚肉鋼管の製造方法
JPS62151545A (ja) * 1985-12-25 1987-07-06 Kawasaki Steel Corp 厚肉高強度低ＰｃＭ曲管とその製造方法
DE3832014C2 (de) * 1988-09-16 1994-11-24 Mannesmann Ag Verfahren zur Herstellung hochfester nahtloser Stahlrohre
JPH09287027A (ja) * 1996-04-19 1997-11-04 Sumitomo Metal Ind Ltd 高強度高靱性継目無鋼管の製造方法
JPH1017986A (ja) * 1996-06-28 1998-01-20 Nippon Steel Corp パイプラインの耐外面ｓｃｃ特性に優れた鋼
JP4475023B2 (ja) * 2004-06-10 2010-06-09 住友金属工業株式会社 低温靱性に優れた超高強度ベンド管
MXPA05008339A (es) 2005-08-04 2007-02-05 Tenaris Connections Ag Acero de alta resistencia para tubos de acero soldables y sin costura.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01139740A (ja) * 1987-11-27 1989-06-01 Kawasaki Steel Corp 耐食二重管
JPH06172855A (ja) * 1992-12-10 1994-06-21 Nippon Steel Corp 低降伏比高靭性シームレス鋼管の製造法
WO2004031420A1 (fr) * 2002-10-01 2004-04-15 Sumitomo Metal Industries, Ltd. Tuyau en acier inoxydable a haute resistance, s'agissant notamment de resistance aux craquelures provoquees par l'hydrogene et procede de fabrication
EP1681364A1 (fr) * 2003-10-20 2006-07-19 JFE Steel Corporation Conduite en acier continue a potentiel d'expansion pour puits de petrole et procede d'elaboration

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102154593A (zh) * 2011-05-26 2011-08-17 天津钢管集团股份有限公司 X80钢级抗腐蚀低温无缝管线管
CN102900897A (zh) * 2011-07-28 2013-01-30 锐迈管业有限公司 一种混凝土泵车弯管及其加工工艺
CN105543690A (zh) * 2016-01-19 2016-05-04 天津钢管集团股份有限公司 具有抗大应变的415spdf以上钢级海底无缝管线管
CN105543705A (zh) * 2016-01-19 2016-05-04 天津钢管集团股份有限公司 海洋环境R-Lay铺设用抗大应变抗腐蚀无缝管线管的制造方法

Also Published As

Publication number Publication date
JP5715826B2 (ja) 2015-05-13
MX2010009446A (es) 2010-09-30
US20110259478A1 (en) 2011-10-27
BRPI0908484A2 (pt) 2015-08-18
JP2011513584A (ja) 2011-04-28
EP2245201B1 (fr) 2017-09-13
AR070624A1 (es) 2010-04-21
DE102008011856A1 (de) 2009-09-10
BRPI0908484A8 (pt) 2017-05-16
EP2245201A1 (fr) 2010-11-03

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